Under pressure from their bloodthirsty boss, several working-class women, employed by manufacturer Mr. Duralac in a remote French countryside factory, are subject to vampirization while accomplishing their night shift.
| Actor | Role |
|---|---|
| BBernard CrillotDuralac | Duralac |
| LLars HelmsteimLe jeune homme aux lunettes noires | Le jeune homme aux lunettes noires |
| AAndré ThéveninLéger | Léger |
| VVéronique NeelVéronique | Véronique |
| JJacqueline CanthardUne ouvrière | Une ouvrière |
| DDenis LévyLe notaire | Le notaire |
| PPierre HagneryPierre | Pierre |
| JJean SzpirkoL'inspecteur Merlin | L'inspecteur Merlin |